Finding the Third Proportional to 20,731 and 31,883

Step by Step Solution

1. Step 1: Write the proportion equation
   20,731 : 31,883 = 31,883 : x
2. Step 2: Convert to fraction form
   20,731/31,883 = 31,883/x
3. Step 3: Cross multiply
   20,731x = 31,883 × 31,883
4. Step 4: Simplify right side
   20,731x = 1,016,525,689
5. Step 5: Solve for x
   x = 1,016,525,689/20,731
6. Step 6: Final answer
   x = 49,034.09